Kingsgrove High School vs St Mary's Star of the Sea Catholic Primary School
A head-to-head comparison of two schools in New South Wales, 1.6 km apart, using official ACARA 2025 data. Best value in each row is highlighted.
Kingsgrove High School
Kingsgrove · Government high school · 7-12
672 students · ICSEA 986
St Mary's Star of the Sea Catholic Primary School
Hurstville · Catholic primary · K-6
408 students · ICSEA 1088
| Measure | Kingsgrove High School Kingsgrove NSW | St Mary's Star of the Sea Catholic Primary School Hurstville NSW |
|---|---|---|
| Success Index | 43 Lower 50% | 67 Top 25% |
| State rank (type) | #318 of 539 | #431 of 1,619 |
| National rank (type) | #876 of 1,472 | #1318 of 4,908 |
| Sector | Government | Catholic |
| Type | Secondary | Primary |
| Year range | 7-12 | K-6 |
| Students | 672 | 408 |
| Girls / boys | 243 / 429 | 206 / 202 |
| Foundation intake | – | 53 |
| Year 7 cohort | 115 | – |
| Year 12 cohort | 81 | – |
| VCE median study score VCAA, latest year | – | – |
| VCE study scores 40+ | – | – |
| 5-year enrolment growth | -18% | +0% |
| ICSEA Average 1000 | 986 | 1088 |
| ICSEA percentile | 40th | 81th |
| Top SEA quarter | 6% | 32% |
| Bottom SEA quarter | 42% | 6% |
| Students per teacher | 11.6 | 17.0 |
| Teaching staff (FTE) | 57.9 | 24.0 |
| Non-teaching staff (FTE) | 13.3 | 7.3 |
| Language background other than English | 85% | 82% |
| Indigenous students | 1% | 1% |
| Suburb | Kingsgrove 2208 | Hurstville 2220 |
| Council area | Georges River | Bayside (NSW) |
| Remoteness | Major Cities | Major Cities |
| Website | kingsgrove-h.schools.nsw.gov.au | stmsshurstville.syd.catholic.edu.au |
The verdict
- •St Mary's Star of the Sea Catholic Primary School scores higher on the Success Index (66.7 vs 43.4).
- •St Mary's Star of the Sea Catholic Primary School has the higher ICSEA (1088 vs 986), indicating a more advantaged community.
- •Kingsgrove High School has fewer students per teacher (11.6 vs 17.0).
- •Kingsgrove High School is the larger school with 672 students compared with 408.
- •St Mary's Star of the Sea Catholic Primary School has grown faster over five years (0% vs -18%).
- •Kingsgrove High School is a government school while St Mary's Star of the Sea Catholic Primary School is a catholic school, so fees and enrolment rules differ.
The Success Index summarises community advantage, resourcing and momentum from ACARA data. It does not measure teaching quality, results or fit. Methodology.
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Frequently asked questions
Is Kingsgrove High School better than St Mary's Star of the Sea Catholic Primary School?
On the Success Index, St Mary's Star of the Sea Catholic Primary School ranks higher (66.7 vs 43.4 out of 100). The index measures community advantage and momentum from ACARA data, not teaching quality, so visit both schools before deciding.
How far apart are Kingsgrove High School and St Mary's Star of the Sea Catholic Primary School?
About 1.6 km in a straight line, between Kingsgrove and Hurstville in New South Wales.
Which has the better student-to-teacher ratio?
Kingsgrove High School has 11.6 students per full-time-equivalent teacher and St Mary's Star of the Sea Catholic Primary School has 17.0.
How do Kingsgrove High School and St Mary's Star of the Sea Catholic Primary School rank in NSW?
Kingsgrove High School is 318th of 539 and St Mary's Star of the Sea Catholic Primary School is 431st of 1,619 among secondary schools in New South Wales on the 2025 Success Index.